C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
C08K 5/3437 (2006.01) C08K 5/13 (2006.01) C08K 5/134 (2006.01) C08K 5/18 (2006.01) C08K 5/3435 (2006.01) C08K 5/37 (2006.01) C08K 5/375 (2006.01) C08L 65/00 (2006.01)
Patent
CA 2121051
2121051 9311189 PCTABS00022 The invention is a composition containing a polymer formed by side ring opening of an arylcyclobutene compound and an antioxidant compound of formulae (1), (2), (3), (4), wherein R is hydrogen, an electron withdrawing or electron donating group; and oligomers thereof; hindered amines of formula (5), wherein R is hydrogen, an electron withdrawing group or an electron donating group; each R1 is independently hydrogen, an electron withdrawing group or an electron donating group, with the proviso that two R1 attached to the same carbon may represent a single moiety joined to said carbon by a double bond; each R2 is independently methyl, ethyl, n-propyl or isopropyl; said antioxidant being effective to inhibit oxidation.
Smart & Biggar
The Dow Chemical Company
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